Trademark applications and grants for Xie Minghua. Xie Minghua has 5 trademark applications. The latest application filed is for "DDV"
Patent Application | Date |
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METHOD AND DEVICE FOR DETERMINING ELASTICITY OF CEMENT STONE UTILIZED IN WELL CEMENTING OF OIL-GAS WELL 20190271621 - 16/079791 ZHENG; Youzhi ;   et al. | 2019-09-05 |
CO2 Quantitative Fluorescent Sensing Material, Preparation Method and Application thereof 20180284023 - 15/834140 XIE; Minghua ;   et al. | 2018-10-04 |
Reversible Continuous Variable Chromogenic Material, Preparation Method and Application thereof 20180282619 - 15/834116 YANG; Xiuli ;   et al. | 2018-10-04 |
Method and device for determining elasticity of cement stone utilized in well cementing of oil-gas well 10,928,282 - 16/079,791 Zheng , et al. February 23, 2 | 2021-02-23 |
CO.sub.2 quantitative fluorescent sensing material, preparation method and application thereof 10,746,656 - 15/834,140 Xie , et al. A | 2020-08-18 |
Industrial robot control cabinet D768,746 - D/519,292 Liu , et al. October 11, 2 | 2016-10-11 |
Mark Image Registration | Serial | Trademark Application Date |
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![]() "DDV" 90416010 |
DDV 2020-12-26 |
![]() "UJL" 90391959 |
UJL 2020-12-18 |
![]() "ZHQQ" 90382059 |
ZHQQ 2020-12-15 |
![]() "QQT" 90365165 |
QQT 2020-12-08 |
![]() "YOKAMIRA" 87376688 |
YOKAMIRA 2017-03-19 |
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